The SiMS35/2-7W2 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 34 to 36 GHz, Center Frequency 35 GHz, Insertion Loss 2 dB, Rejection 30 dB @32.5GHz&37.6GHz, 40 dB @32GHz&38GHz, 50 dB @DC~18GHz, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Cavity Filter. More details for SiMS35/2-7W2 can be seen below.